Being intimate with one another is the most important thing. This describes the scene when the mother tied the knot with her daughter when she got married, while instructing her on many etiquettes. This wedding ceremony made "knot" a synonym for marriage in ancient times. (Jingli Wujiaochang)
During the Warring States Period, Qu Yuan wrote in "Chu Ci. Nine Chapters. Sorrow": The heart is knotted but cannot be resolved, and the thoughts are unsolved. The author uses " The poem "Gui but not understanding" expresses his worries and concerns about the fate of the motherland. There is also a saying in ancient Chinese poetry: It is written with longing for lovesickness, and the fate is inextricably linked. Using glue to cast paint, who can say goodbye to this. Among them, the combination of "indissoluble knot" and glue paint is used to describe the depth of feelings, which is just right. Liu Ling of the Jin Dynasty wrote in "Green Riverside Grass Chapter": Mengjun became united and traveled together in the northern forest.